1. Department of Internal Medicine, Yeouido St. Mary's Hospital, College of MedicineThe Catholic University of Korea Seoul Republic of Korea
2. Departments of Radiology, St. Vincent's Hospital, College of MedicineThe Catholic University of Korea Seoul Republic of Korea
3. Department of Radiology, Seoul St. Mary's Hospital, College of MedicineThe Catholic University of Korea Seoul Republic of Korea
4. Department of Thoracic and Cardiovascular Surgery, Seoul St. Mary's Hospital, College of MedicineThe Catholic University of Korea Seoul Republic of Korea
5. Department of Radiation Oncology, Seoul St. Mary's Hospital, College of MedicineThe Catholic University of Korea Seoul Republic of Korea
6. Department of Internal Medicine, Seoul St. Mary's Hospital, College of MedicineThe Catholic University of Korea Seoul Republic of Korea